Kenmore
Heat Pump Capacity Limitation or Sensor Control Logic
Kenmore hybrid water heater frequently switches to electric resistance mode instead of heat pump mode
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Ambient temperature too low or too high, dirty air filter, blocked evaporator coil, incorrect mode setting, sensor misreading
How to Fix / Troubleshooting
Safety: Turn OFF power before cleaning internal components.
- Check mode setting: Ensure the control is set to Heat Pump or Energy Saver mode, not Electric Only.
- Ambient conditions: Verify the installation space is within the recommended temperature range (often 45–120°F). Relocate or condition the space if necessary.
- Clean filter and coil: Clean the air filter and gently vacuum dust from the evaporator coil.
- Sensor check: If codes are not present but behavior is abnormal, have a technician test the ambient and coil temperature sensors and control logic.
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Repair Difficulty
Medium
3/5
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